aboutsummaryrefslogtreecommitdiff
path: root/target
diff options
context:
space:
mode:
Diffstat (limited to 'target')
-rw-r--r--target/ppc/Makefile.objs2
-rw-r--r--target/ppc/mmu-book3s-v3.c37
-rw-r--r--target/ppc/mmu-book3s-v3.h50
-rw-r--r--target/ppc/mmu-hash64.c8
-rw-r--r--target/ppc/mmu_helper.c15
-rw-r--r--target/ppc/translate_init.c3
6 files changed, 113 insertions, 2 deletions
diff --git a/target/ppc/Makefile.objs b/target/ppc/Makefile.objs
index 0057b319c0..f963777277 100644
--- a/target/ppc/Makefile.objs
+++ b/target/ppc/Makefile.objs
@@ -3,7 +3,7 @@ obj-y += cpu.o
obj-y += translate.o
ifeq ($(CONFIG_SOFTMMU),y)
obj-y += machine.o mmu_helper.o mmu-hash32.o monitor.o arch_dump.o
-obj-$(TARGET_PPC64) += mmu-hash64.o compat.o
+obj-$(TARGET_PPC64) += mmu-hash64.o mmu-book3s-v3.o compat.o
endif
obj-$(CONFIG_KVM) += kvm.o
obj-$(call lnot,$(CONFIG_KVM)) += kvm-stub.o
diff --git a/target/ppc/mmu-book3s-v3.c b/target/ppc/mmu-book3s-v3.c
new file mode 100644
index 0000000000..005c96340a
--- /dev/null
+++ b/target/ppc/mmu-book3s-v3.c
@@ -0,0 +1,37 @@
+/*
+ * PowerPC ISAV3 BookS emulation generic mmu helpers for qemu.
+ *
+ * Copyright (c) 2017 Suraj Jitindar Singh, IBM Corporation
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "cpu.h"
+#include "mmu-hash64.h"
+#include "mmu-book3s-v3.h"
+#include "qemu/error-report.h"
+
+int ppc64_v3_handle_mmu_fault(PowerPCCPU *cpu, vaddr eaddr, int rwx,
+ int mmu_idx)
+{
+ if (ppc64_radix_guest(cpu)) { /* Guest uses radix */
+ /* TODO - Unsupported */
+ error_report("Guest Radix Support Unimplemented");
+ exit(1);
+ } else { /* Guest uses hash */
+ return ppc_hash64_handle_mmu_fault(cpu, eaddr, rwx, mmu_idx);
+ }
+}
diff --git a/target/ppc/mmu-book3s-v3.h b/target/ppc/mmu-book3s-v3.h
new file mode 100644
index 0000000000..636f6ab95f
--- /dev/null
+++ b/target/ppc/mmu-book3s-v3.h
@@ -0,0 +1,50 @@
+/*
+ * PowerPC ISAV3 BookS emulation generic mmu definitions for qemu.
+ *
+ * Copyright (c) 2017 Suraj Jitindar Singh, IBM Corporation
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef MMU_H
+#define MMU_H
+
+#ifndef CONFIG_USER_ONLY
+
+/* Partition Table Entry Fields */
+#define PATBE1_GR 0x8000000000000000
+
+#ifdef TARGET_PPC64
+
+static inline bool ppc64_use_proc_tbl(PowerPCCPU *cpu)
+{
+ return !!(cpu->env.spr[SPR_LPCR] & LPCR_UPRT);
+}
+
+static inline bool ppc64_radix_guest(PowerPCCPU *cpu)
+{
+ PPCVirtualHypervisorClass *vhc =
+ PPC_VIRTUAL_HYPERVISOR_GET_CLASS(cpu->vhyp);
+
+ return !!(vhc->get_patbe(cpu->vhyp) & PATBE1_GR);
+}
+
+int ppc64_v3_handle_mmu_fault(PowerPCCPU *cpu, vaddr eaddr, int rwx,
+ int mmu_idx);
+
+#endif /* TARGET_PPC64 */
+
+#endif /* CONFIG_USER_ONLY */
+
+#endif /* MMU_H */
diff --git a/target/ppc/mmu-hash64.c b/target/ppc/mmu-hash64.c
index d44f2bb432..368ee60efb 100644
--- a/target/ppc/mmu-hash64.c
+++ b/target/ppc/mmu-hash64.c
@@ -28,6 +28,7 @@
#include "mmu-hash64.h"
#include "exec/log.h"
#include "hw/hw.h"
+#include "mmu-book3s-v3.h"
//#define DEBUG_SLB
@@ -726,6 +727,13 @@ int ppc_hash64_handle_mmu_fault(PowerPCCPU *cpu, vaddr eaddr,
/* 2. Translation is on, so look up the SLB */
slb = slb_lookup(cpu, eaddr);
if (!slb) {
+ /* No entry found, check if in-memory segment tables are in use */
+ if ((env->mmu_model & POWERPC_MMU_V3) && ppc64_use_proc_tbl(cpu)) {
+ /* TODO - Unsupported */
+ error_report("Segment Table Support Unimplemented");
+ exit(1);
+ }
+ /* Segment still not found, generate the appropriate interrupt */
if (rwx == 2) {
cs->exception_index = POWERPC_EXCP_ISEG;
env->error_code = 0;
diff --git a/target/ppc/mmu_helper.c b/target/ppc/mmu_helper.c
index a1af3d6bf2..18a76d2a3f 100644
--- a/target/ppc/mmu_helper.c
+++ b/target/ppc/mmu_helper.c
@@ -29,6 +29,7 @@
#include "exec/log.h"
#include "helper_regs.h"
#include "qemu/error-report.h"
+#include "mmu-book3s-v3.h"
//#define DEBUG_MMU
//#define DEBUG_BATS
@@ -1285,6 +1286,13 @@ void dump_mmu(FILE *f, fprintf_function cpu_fprintf, CPUPPCState *env)
case POWERPC_MMU_2_07a:
dump_slb(f, cpu_fprintf, ppc_env_get_cpu(env));
break;
+ case POWERPC_MMU_3_00:
+ if (ppc64_radix_guest(ppc_env_get_cpu(env))) {
+ /* TODO - Unsupported */
+ } else {
+ dump_slb(f, cpu_fprintf, ppc_env_get_cpu(env));
+ break;
+ }
#endif
default:
qemu_log_mask(LOG_UNIMP, "%s: unimplemented\n", __func__);
@@ -1426,6 +1434,13 @@ hwaddr ppc_cpu_get_phys_page_debug(CPUState *cs, vaddr addr)
case POWERPC_MMU_2_07:
case POWERPC_MMU_2_07a:
return ppc_hash64_get_phys_page_debug(cpu, addr);
+ case POWERPC_MMU_3_00:
+ if (ppc64_radix_guest(ppc_env_get_cpu(env))) {
+ /* TODO - Unsupported */
+ } else {
+ return ppc_hash64_get_phys_page_debug(cpu, addr);
+ }
+ break;
#endif
case POWERPC_MMU_32B:
diff --git a/target/ppc/translate_init.c b/target/ppc/translate_init.c
index 1a05ac36e5..dc2f8ebe10 100644
--- a/target/ppc/translate_init.c
+++ b/target/ppc/translate_init.c
@@ -32,6 +32,7 @@
#include "qapi/visitor.h"
#include "hw/qdev-properties.h"
#include "hw/ppc/ppc.h"
+#include "mmu-book3s-v3.h"
//#define PPC_DUMP_CPU
//#define PPC_DEBUG_SPR
@@ -8910,7 +8911,7 @@ POWERPC_FAMILY(POWER9)(ObjectClass *oc, void *data)
(1ull << MSR_LE);
pcc->mmu_model = POWERPC_MMU_3_00;
#if defined(CONFIG_SOFTMMU)
- pcc->handle_mmu_fault = ppc_hash64_handle_mmu_fault;
+ pcc->handle_mmu_fault = ppc64_v3_handle_mmu_fault;
/* segment page size remain the same */
pcc->sps = &POWER7_POWER8_sps;
#endif
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-12 15:19:55 +0000